Adding and Subtracting Integers

The video tutorial explains how to add integers using a number line and a money analogy. It begins by defining integers and demonstrates adding integers on a number line, moving right for positive and left for negative values. The tutorial then introduces the money analogy, where positive integers are deposits and negative integers are withdrawals. It provides examples to illustrate these concepts. Finally, the video outlines rules for adding integers, emphasizing the use of absolute values and sign determination based on the larger absolute value.

Which of the following is NOT considered an integer?

• Zero

• Negative five

• Three point five

• Ten

When adding integers on a number line, what direction do you move if the second integer is negative?

• Left

• Down

• Right

• Up

Using the number line method, what is the result of 5 plus negative 7?

• Negative twelve

• Zero

• Positive two

• Negative two

In the money analogy, what does a negative integer represent?

• A gift

• A withdrawal

• A loan

• A deposit

If you have $7 and lose $9, what is your balance according to the money analogy?

• Positive two dollars

• Negative sixteen dollars

• Negative two dollars

• Zero dollars

What is the first step when adding two integers with different signs?

• Divide their absolute values

• Multiply their absolute values

• Subtract their absolute values

• Add their absolute values

When adding two integers of the same sign, what should you do with their absolute values?

• Subtract them

• Add them

• Divide them

• Multiply them

What is the result of negative 25 plus 63 using the rules for adding integers?

• Positive 88

• Negative 38

• Positive 38

• Negative 88

If you lose $31 and then lose $84, what is your total loss?

• Negative 53

• Positive 53

• Positive 115

• Negative 115

What is the sum of a gain of $15 and a loss of $47?

• Positive 62

• Negative 32

• Positive 32

• Negative 62